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Stock Award Plans and Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2026

Stock Award Plans and Stock-Based Compensation [Abstract]

Schedule of Stock Options Granted

See below for a summary of the stock options granted under the 2011, 2017 and 2018 plans:

						Weighted				Weighted				Aggregate
						Average				Average				Intrinsic
		Number of				Exercise				Remaining				Value
		Options				Price				Life (Years)				(in millions)
Outstanding at January 1, 2026			15,941,550			$	2.80				9.8			$	—
Granted			2,709,865			$	1.66
Forfeitures			(430,133	)		$	16.21
Outstanding at March 31, 2026			18,221,282			$	2.31				9.5			$	5.7
Exercisable at March 31, 2026			8,930,436			$	2.62				9.2			$	2.4

Schedule of Fair Values of Options Awarded

The following assumptions were used in estimating the fair values of options awarded during the three months ended March 31, 2026:

		Three Months Ended March 31, 2026
Fair value of common stock		$1.43 - $1.92
Exercise price		$1.43 - $1.92
Expected term		5.0 – 5.8 years
Volatility		134.52% - 149.33%
Risk-free interest rate		3.51% - 3.95%
Dividend yield		—%

Schedule of Stock-Based Compensation Charges

Stock-based compensation charges for the periods indicated below (in thousands) are as follows:

		Three Months Ended March 31,
		2026				2025
Research and development		$	205			$	162
Sales and marketing			382				16
General and administrative			4,260				277
Total		$	4,847			$	455

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Tabular disclosure of share-based payment arrangement.

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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